623428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 1238720

約数和(自身を除く): 615292

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 631, 988, 1262, 2524, 8203, 11989, 16406, 23978, 32812, 47956, 155857, 311714, 623428]

約数ペア:

[(1, 623428), (2, 311714), (4, 155857), (13, 47956), (19, 32812), (26, 23978), (38, 16406), (52, 11989), (76, 8203), (247, 2524), (494, 1262), (631, 988)]